Related Experiment Video
Updated: Aug 13, 2026

Lentiviral-mediated Knockdown During Ex Vivo Erythropoiesis of Human Hematopoietic Stem Cells
Published on: July 16, 2011
Developing human erythroid cells grown in transferrin-free medium utilize iron originating from extracellular
J M Leimberg1, A M Konijn, E Fibach
1Department of Human Nutrition and Metabolism, Faculty of Medicine, The Hebrew University, Jerusalem, Israel.
Abstract:
In addition to transferrin, ferritin can also function as a source of iron for heme synthesis (Gelvin D, et al. Blood 1996;88:3200-3207; Meyron-Holtz EG, et al. Blood 1999;94:3205-3211). In the present study we investigate the effect of external ferritin on the proliferation and hemoglobinization of human erythroid precursors grown in transferrin-free cultures.
More Related Videos
Related Concept Videos
Erythropoiesis
Overview of Hematopoiesis
Developmental Phases of Hematopoiesis
Initially, HSCs are formed in the embryonic yolk sac, a critical site for early blood cell production. These stem cells subsequently migrate to other...
Lifecycle of Erythrocytes
The resident phagocytic macrophages deal with these damaged cells by engulfing them and separating their globin and heme groups.
Factors Affecting Erythropoiesis
Several factors influence the erythrocyte production rate, with tissue oxygen level being among the most critical. Intense exercise or high altitudes can cause tissue hypoxia, which triggers the kidneys to release more erythropoietin (EPO) into the bloodstream.
EPO then...

